diff --git a/docs/index.rst b/docs/index.rst
index 46c49307c..044eacb2a 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -12,6 +12,10 @@ API文档
     :titlesonly:
     :glob:
 
+    introduction
+    quickstart
+    performance
+
     api/ltp*
 
 
diff --git a/ltp/ltp.py b/ltp/ltp.py
index f42f0b99c..e66afe20f 100644
--- a/ltp/ltp.py
+++ b/ltp/ltp.py
@@ -58,17 +58,14 @@ def __init__(self, path: str = 'small', batch_size: int = 10, device=None, vocab
             self.device = torch.device('cuda')
         else:
             self.device = torch.device('cpu')
-        if os.path.exists(path):
-            ckpt = torch.load(os.path.join(path, "ltp.model"), map_location=self.device)
-            self.tokenizer = AutoTokenizer.from_pretrained(path, use_fast=True)
-        elif path in model_map:
+        if path in model_map or os.path.exists(path):
             cache_dir = kwargs.pop("cache_dir", LTP_CACHE)
             force_download = kwargs.pop("force_download", False)
             resume_download = kwargs.pop("resume_download", False)
             proxies = kwargs.pop("proxies", None)
             local_files_only = kwargs.pop("local_files_only", False)
             resolved_archive_path = cached_path(
-                model_map[path],
+                model_map.get(path, path),
                 cache_dir=cache_dir,
                 force_download=force_download,
                 proxies=proxies,
diff --git a/requirements.txt b/requirements.txt
index e77d0680b..d72f232e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,8 +32,8 @@ pretty_errors
 pytest
 
 #doc
-sphinx
-sphinx_rtd_theme
+sphinx~=3.1.1
+sphinx_rtd_theme~=0.4.0
 
 # Server
 tornado~=6.0.4